我正试图从一个模型构建一个散列.
这就是我想要构建的哈希类型.
{"United Sates" => "us", "United Kingdom" => "uk" .....}
我已经try 了很多方法,现在我只是在兜圈子.
以下是我的一些拙劣try .
select = Array.new
countries.each do |country|
# select.push({country.name => country.code })
# select[country.name][country.code]
end
h = {}
countries.each do |c|
# h[] = {c.name => c.code}
# h[] ||= {}
# h[][:name] = c.name
# h[][:code] = c.code
#h[r.grouping_id][:name] = r.name
# h[r.grouping_id][:description] = r.description
end
请给我一些建议.
非常感谢.